Magnetic Particle Testing in Billings
Surface and near-surface crack detection on ferromagnetic materials via magnetic flux leakage.
Northern-tier refinery turnarounds compete for limited NDT contractor capacity — losing a Level II to an expired cert removes a crew from rotation for weeks.
How Magnetic Particle Testing works
The test piece is magnetised by yoke, prod or coil. Discontinuities disturb the magnetic flux; visible or fluorescent ferromagnetic particles applied to the surface concentrate at the leakage field, outlining the defect.
MT in Billings
Magnetic Particle Testing in Billings is most often pulled into scope when refining or pipelines and midstream operators need API 510 / 570-grade evidence that an asset is fit for continued service. The recurring sites — ExxonMobil Billings Refinery and Phillips 66 Billings Refinery — write MT into pre-job inspection plans because surface and near-surface crack detection on ferromagnetic materials via magnetic flux leakage. Local contractors mobilise calibrated equipment, current ASNT Level II / III credentials, and procedure packages tied to ASTM E709 and ASTM E1444.
Quick facts
- Method: MT — Magnetic Particle Testing
- Service area: Billings, MT
- Primary industries: Refining, Pipelines and midstream
- Key standards: ASTM E709, ASTM E1444
Where MT shows up on Billings jobs
Industry relevance
Refining and Pipelines and midstream operators in Billings pull MT into routine and turnaround scopes. The named recurring sites include ExxonMobil Billings Refinery and Phillips 66 Billings Refinery.
Acceptance criteria are written against API 510 / 570 and ratified at Level III sign-off for procedure qualification.
Compliance and safety
Magnetic Particle Testing inspections in Billings reference ASTM E709, ASTM E1444, ASME Section V. Site-specific qualification matrices add operator-specific requirements on top.
Working with NDT Connect-listed providers ensures Level II/III currency, instrument-level calibration traceability, and digital record packages that survive audit retention demands.
Named Billings facilities served
Magnetic Particle Testing scopes in Billings recur at the following operators and sites. Local contractors are pre-qualified at most of these gates.
ExxonMobil Billings Refinery
Refinery — MT scope routine
Phillips 66 Billings Refinery
Refinery — MT scope routine
Applicable standards and codes
Magnetic Particle Testing inspections in Billings are written and accepted against:
ASTM E709
ASTM E1444
ASME Section V
ISO 9934
AWS D1.1
Local code authorities
Why MT is chosen
Rapid surface coverage with minimal preparation
Effective through thin non-conductive coatings
Low equipment cost relative to other methods
Typical applications
- •Structural weld inspection per AWS D1.1
- •Forging and casting surface examination
- •In-service fatigue-crack detection on rotating equipment
- •Drill-pipe and tubular surface inspection
Billings, MT runs a mid-band NDT economy that pivots around refining (45% of the local industrial base) and pipelines, with secondary load from mining (regional). ExxonMobil Billings, Phillips 66 Billings, CHS — largest refining cluster in Northern Rockies feeds the MT workload that defines this market — a smaller metro of roughly 188K residents sustains a contractor pool calibrated to that demand cadence.
Anchor employers like ExxonMobil Billings Refinery and ExxonMobil Billings Refinery write Magnetic Particle Testing into recurring scope packages. High-temperature hydrogen attack cycles dominate the calendar — pre-qualification at ExxonMobil Billings Refinery alone unlocks the volume backbone of the Billings, MT MT contractor base. Three refineries in 30-mile corridor — only such cluster in northern Rockies.
Local Level II inspector wages run roughly $81,000/year per BLS, anchoring the day-rate band that providers quote in Billings, MT against a cost-of-living index of 99. Outage-window surges layer on top of steady-state programme demand. MT is consistently among the methods most often written into procedure packs at the city's anchor sites.
Acceptance criteria for MT in the frontier us corridor lean on BPVC Sec V Art. 7 as the technical floor and on MT DEQ / MT Boiler Code 50-74-101 for documentary survival. Industry-specific: ASME B31.3 is the cross-reference the procedure must close on. Owners audit the calibration trail and Level III sign-off on every recurring scope, and ExxonMobil Billings Refinery runs its own qualification matrix on top.
- MT DEQ
- MT Boiler Code 50-74-101
- PHMSA
- BPVC Sec V Art. 7
- BPVC Sec VIII Div 1 Appx 6
- B31.3 para 344.3
Procurement-grade rates for MT in Billings, MT: $506–$748/day Level II, $1100/day Level III. BLS reports median Level II inspector wages of $81,000 for the Billings, MT MSA — the day-rate covers wage plus equipment, mobilisation, calibration overhead, and contractor margin. Transport surcharge: medium. Effective multiplier vs national base: ×1.10.
| Line item | Rate | Detail |
|---|---|---|
| Hourly labour (Level II) | $63–$94/hr | standard programme rate |
| Hourly labour (Level III) | $138/hr | procedure qualification + disposition |
| Day rate (Level II) | $627/day | 8 hours, ≤30 km from base |
| Equipment surcharge | $308/day | instrument + consumables |
| Mobilisation | $525/trip | medium transport-surcharge band |
| Outage / night-shift uplift | +25–40% | turnaround windows and weekend work |
Effective multiplier vs national base: ×1.10 · transport surcharge band: medium.
Active MT providers serving Billings, MT hold pre-qualification packages for ExxonMobil Billings Refinery and Phillips 66 Billings Refinery as table stakes. The directory filters by Level II/III currency, MT-specific procedure history, and instrument calibration date — letting buyers shortlist crews who can mobilise without a fresh onboarding cycle.
Major regional clients served
- ExxonMobil Billings Refinery
- Phillips 66 Billings Refinery
- CHS Inc. (HQ)
- PPL Montana
- Sibanye-Stillwater (regional)
Magnetic Particle Testing (MT) in Billings, MT is most often pulled into scope when refining operators need to qualify critical equipment against MT DEQ. The technique is the default examination for forging and casting surface flaw detection — and on Billings, MT jobs, the use case typically narrows to high-temperature hydrogen attack where common-mode defect is the failure mechanism owners are screening for.
The dominant scope here is shutdown scope. ExxonMobil Billings Refinery writes MT into the procedure pack on every cycle, and the local crews who run this scope daily have built the calibration libraries, scan plans, and reporting templates that Billings, MT owners have come to expect. Three refineries in 30-mile corridor — only such cluster in northern Rockies. Procedures cite BPVC Sec V Art. 7; deliverables ship as MT report w/ part marking with Level II/III written disposition.
Worth flagging: ferromagnetic only (no austenitic stainless, aluminium, copper). Billings, MT crews work around this with paired methods (typically PT (for non-ferrous) as a crosscheck) and procedure-level mitigations — processes bakken light + canadian heavy crude blends. ExxonMobil Billings Refinery's site-specific qualification matrix layers an additional acceptance gate on top, so contractors who already hold the MT pre-qual win the bid before rate negotiation even starts.
Northern Rockies ASNT Section anchors MT certification in Billings, MT; the local AWS district handles welding-inspector credentials. Practical experience requirement is roughly 280 total hours to Level II — typically split between vendor classroom time at a regional training provider and supervised on-the-job hours at ExxonMobil Billings Refinery. API exam access is regional; the refining operators here generally require currency on all three credential tracks.
- ASNT chapter: Northern Rockies ASNT Section
- API exam centre: access via nearest regional centre
How much does MT cost in Billings, MT?
MT (Magnetic Particle Testing) day-rates in Billings, MT typically clear at $627/day for Level II crews, with the pricing multiplier on the national base running ×1.10 (transport surcharge band: medium). Local Level II inspector wages average $81,000/year per BLS, which anchors that day-rate band. Always solicit at least three parallel quotes before committing programme spend.
Which Billings, MT sites use MT most often?
ExxonMobil Billings Refinery and Phillips 66 Billings Refinery are the high-volume MT buyers in Billings, MT. The refinery footprint at ExxonMobil Billings Refinery is a recurring MT mobilisation point. Pre-qualification at these gates is what unlocks the volume contracts.
What credentials do MT inspectors need to work in Billings, MT?
Working MT scope in Billings, MT requires ASNT Level II for the method (roughly 280 total training hours to qualify), plus Northern Rockies ASNT Section membership is common. AWS CWI is required for welding-related scope; API 510/570/653 tickets unlock pressure-equipment work. API exam logistics route through the nearest regional centre.
What refining failure modes does MT screen for in Billings, MT?
On refining jobs in Billings, MT, MT is most often called for sulfidation thinning screening. Recurring scope on high-temperature hydrogen attack cycles drives the volume. The technique sits inside MT DEQ's acceptance framework, and local crews build inspection plans around the failure modes the refining owners audit hardest.
How fast can a MT crew mobilise in Billings, MT?
Routine MT scope in Billings, MT typically picks up a certified crew within 24–72 hours of posting a request — the established contractor base around ExxonMobil Billings Refinery keeps mobilisation lead times short. Outage windows and turnaround support are negotiated against rotation; post the scope to NDT Connect to receive parallel quotes from providers already pre-qualified at Billings, MT sites.
What standards govern MT acceptance in Billings, MT?
MT examinations in Billings, MT reference BPVC Sec V Art. 7 / BPVC Sec VIII Div 1 Appx 6 as the technical floor and MT DEQ, MT Boiler Code 50-74-101 for documentary compliance. ExxonMobil Billings Refinery's qualification matrix layers an additional customer-specific spec on top — procedures must close on all three before the crew is cleared at the gate.
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Get a free quote todayOther NDT methods in Billings
Ultrasonic Testing
UT
High-frequency sound-wave inspection for wall thickness, weld integrity and internal flaw detection.
Radiographic Testing
RT
Ionising-radiation imaging (X-ray or gamma) of internal weld structure on film or digital detector.
Liquid Penetrant Testing
PT
Capillary-action surface flaw detection on any non-porous material using dye or fluorescent penetrant.
Visual Testing
VT
Code-required direct or remote visual examination of as-fabricated and in-service surfaces.
Magnetic Particle Testing in nearby cities
Verified Billings, MT Inspection-Market Data
Hard numbers from BLS, EIA, AAPA, Census & API directories — anchoring this page to Billings, MT's actual NDT market, not a generic template.
- Local Wage Anchor — Level I NDT Technician
- $60K/yr typical for Billings, MT
- Metro Industrial Base
- 188K people in Billings, MT
- Sector Mix (NDT Demand Drivers)
- Refining (45%) · Pipelines (15%) · Mining (regional) (12%)
- Refinery Inventory
- 3+ refineries · ~178K bpd combined capacity — ExxonMobil Billings Refinery, Phillips 66 Billings Refinery, CHS Laurel Refinery
- Active API-Certified Inspectors (regional)
- ~30 API 510 · ~40 API 570 · ~20 API 653
- ASNT Chapter / Community
- Northern Rockies ASNT Section
- Cost-of-Living Impact on Rate Cards
- COL index 99.0 (1.0 pts below national avg) · transport surcharge band: medium
Source: BLS OES May 2024 Billings MSA
Source: US Census ACS 2023
Source: BEA Regional Accounts 2023
Source: EIA Refinery Capacity Report Jan 2025
Source: API ICP roster + state directories (est.)
Source: ASNT chapter directory
Source: C2ER ACCRA COL Index 2024
Continue Reading — In-Depth Guides
Authored by ASNT Level III inspectors. Real procedures, real numbers, real codes.
- Magnetic Particle Testing — Complete GuideAC/DC field, wet/dry methods, ASTM E709, yoke.
- NDT Inspection Cost Index [2026]US inspection rates by method & region, and what moves the price.
- Ultrasonic Testing — Complete GuidePhysics, calibration, codes, equipment, applications.
- Radiographic Testing — Complete GuideSources, exposure, IQIs, ASME V, digital RT.
- Penetrant Testing — Complete GuideVisible vs fluorescent, ASTM E165, dwell times.
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